Cruise ships dock at the Port of Tauranga, which is actually in the town of Mount Maunganui. There is a visitor information center close to the dock. Some cruise lines offer shuttle buses to nearby Tauranga, which is 20 minutes away, or it is possible to take a public bus.
Rotorua is 31 mi/50 km (about an hour) away from the port. To get to Rotorua, hire a taxi, sign up for a shore excursion through your cruise line or join one of the tour operators available at the port gates. It is not possi...